Danfoss ECL Comfort 310 Installation Manual
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Danfoss ECL Comfort 310 Installation Manual

Application a367
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Installation Guide
ECL Comfort 310, application A367

1.0 Table of Contents

1.0 Table of Contents ............................................... 1
1.1
Important safety and product information. . . . . . . . . . . . . . . . . . . . . 2
2.0 Installation ........................................................ 4
2.1
Before you start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.2
Identifying the system type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.3
Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
2.4
Placing the temperature sensors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
2.5
Electrical connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
2.6
Inserting the ECL Application Key . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
2.7
Check list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
2.8
Navigation, ECL Application Key A367 . . . . . . . . . . . . . . . . . . . . . . . . . 46
3.0 Daily use ......................................................... 49
3.1
How to navigate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
3.2
Understanding the controller display . . . . . . . . . . . . . . . . . . . . . . . . . . 50
3.3
What do the symbols mean?. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
3.4
Monitoring temperatures and system
components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
3.5
Influence overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
3.6
Manual control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
3.7
Schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
4.0 Settings overview ............................................ 59
5.0 Settings, circuit 1 ............................................. 63
5.1
Flow temperature. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
5.2
Room limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
5.3
Return limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
5.4
Flow / power limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
5.5
Optimization. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
5.6
Control parameters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
5.7
Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
5.8
Alarm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Danfoss District Energy
6.0 Settings, circuit 2 ............................................. 85
6.1
Flow temperature. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
6.2
Room limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
6.3
Return limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
6.4
Flow / power limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
6.5
Optimization. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
6.6
Control parameters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
6.7
Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
6.8
Alarm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
7.0 Settings, circuit 3 ........................................... 107
7.1
Tank temperature. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
7.2
Return limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110
7.3
Flow / power limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
7.4
Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112
7.5
Anti-bacteria. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
8.0 Common controller settings............................ 118
8.1
Introduction to 'Common controller settings' . . . . . . . . . . . . . . 118
8.2
Time & Date. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
8.3
Holiday . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120
8.4
Input overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
8.5
Log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
8.6
Output override. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
8.7
Key functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
8.8
System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
9.0 Miscellaneous ................................................ 128
9.1
Several controllers in the same system . . . . . . . . . . . . . . . . . . . . . . 128
9.2
Frequently asked questions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130
9.3
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132
VI.LG.R1.02
DEN-SMT/DK
1

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Summary of Contents for Danfoss ECL Comfort 310

  • Page 1: Table Of Contents

    Installation Guide ECL Comfort 310, application A367 1.0 Table of Contents 1.0 Table of Contents ..........1 6.0 Settings, circuit 2 ..........85 Important safety and product information..... 2 Flow temperature.

  • Page 2: Important Safety And Product Information

    This Installation Guide is associated with ECL Application Key A367 (order code no. 087H3813). The functions can be realized in ECL Comfort 310 which includes M-bus, Modbus and Ethernet (Internet) communication. The applications A367.1 and A367.2 comply with ECL Comfort controller 310 as of software version 1.11 (visible at start-up of the...
  • Page 3 Installation Guide ECL Comfort 310, application A367 °C (degrees Celsius) is a measured temperature value whereas K (Kelvin) is a number of degrees. The ID no. is unique for the selected parameter. Example First digit Second digit Last three digits...

  • Page 4: Installation

    Installation Guide ECL Comfort 310, application A367 2.0 Installation 2.1 Before you start The two applications, A367.1 and A367.2 are almost identical. Typical A367 application: However, A367.2 has some extra functions which are described separately. ECL 310 The applications are very flexible. These are the basic principles:...
  • Page 5 Installation Guide ECL Comfort 310, application A367 Heating (circuit 2): A367.1 example a: This circuit works after same principles as circuit 1. ECL 310 The flow temperature sensor S4 is the most important sensor. By means of a week schedule (up to 3 ‘Comfort’ periods / day), the heating circuit 2 can be in ‘Comfort’...
  • Page 6 Installation Guide ECL Comfort 310, application A367 Domestic Hot Water (DHW, circuit 3): A367.1 example d: By means of a week schedule (up to 3 Comfort periods / day), the DHW circuit can be in ‘Comfort’ or ‘Saving’ mode (two different ECL 310 temperature values for desired DHW temperature).
  • Page 7 Installation Guide ECL Comfort 310, application A367 A 367.2: Typical A367.2 application: If the measured DHW temperature (S6) is lower than the desired DHW temperature, the heating circulation pump (P1) is switched ECL 310 OFF and the DHW pump (P2) is switched ON. The motorized control valve (M1) is controlled in order to maintain the DHW heating temperature at S3.
  • Page 8 Installation Guide ECL Comfort 310, application A367 A367.2 example a: DHW circuit, in general: If the installation has a changeover valve (P2 / M3), also called ECL 310 priority-valve, between the heating and the DHW circuits, the changeover valve is activated at DHW heating demand. The circulation pump (P1) is ON when heating the DHW.

  • Page 9: Identifying The System Type

    Installation Guide ECL Comfort 310, application A367 2.2 Identifying the system type Sketch your application The ECL Comfort controller series is designed for a wide range of heating, domestic hot-water (DHW) and cooling systems with different configurations and capacities. If your system differs from the diagrams shown here, you may want to make a sketch of the system about to be installed.
  • Page 10 Installation Guide ECL Comfort 310, application A367 A367.1 example a Indirectly connected system with 2 heating circuits and secondarily connected DHW tank with internal heat exchanger (optional DHW priority). ECL 310 Special settings for type A367.1, example a: DHW circuit (circuit 3) The DHW heating is controlled by means of DHW heating pump P2.
  • Page 11 CLOSE command (from terminal 1) is constantly applied to actuator M3 in order to determine the flow direction. Example 1: actuator / valve: Danfoss AMV / VMV — VRB3 — VRG3. Example 2: actuator / valve: Danfoss AMB / HRB 3 — HFE 3.
  • Page 12 CLOSE command (from terminal 1) is constantly applied to actuator M3 in order to fully open or fully close the flow. Example: actuator / valve: Danfoss AMV / VS 2 - VZ 2 - VRB 2. Danfoss District Energy DEN-SMT/DK VI.LG.R1.02...
  • Page 13 Installation Guide ECL Comfort 310, application A367 A367.1, example d Indirectly connected system with 2 heating circuits (1 connected as sub circuit) and secondarily connected DHW tank with internal heat exchanger (optional DHW priority). ECL 310 Special settings for type A367.1, example d: Heating circuit 1 Heating circuit 1 must receive information about and react on the desired flow temperature from heating circuit 2.
  • Page 14 CLOSE command (from terminal 1) is constantly applied to actuator M3 in order to fully open or fully close the flow. Example: actuator / valve: Danfoss AMV / VS 2 - VZ 2 - VRB 2. Danfoss District Energy DEN-SMT/DK VI.LG.R1.02...
  • Page 15 Installation Guide ECL Comfort 310, application A367 A367.2, example a Indirectly connected system with 2 heating circuits and secondarily connected DHW charging system (optional DHW priority). ECL 310 (S7) (S7) Special settings for type A367.2, example a: DHW circuit (circuit 3) The DHW heating is controlled by means of DHW heating pump P2.
  • Page 16 CLOSE command (from terminal 1) is constantly applied to actuator M3 in order to determine the flow direction. Example 1: actuator / valve: Danfoss AMV / VMV — VRB3 — VRG3. Example 2: actuator / valve: Danfoss AMB / HRB 3 — HFE 3.
  • Page 17 Installation Guide ECL Comfort 310, application A367 A367.2, example c Indirectly connected system with 2 heating circuits (1 connected as sub circuit) and secondarily connected DHW charging system (optional DHW priority). ECL 310 (S7) (S7) Special settings for type A367.2, example c: Heating circuit 1 Heating circuit 1 must receive information about and react on the desired flow temperature from heating circuit 2.

  • Page 18: Mounting

    The ECL Comfort 210 can be mounted in the ECL Comfort 210 / 310 base part. The ECL Comfort 310 can only be mounted in the ECL Comfort 310 base part. Screws, PG cable glands and rawlplugs are not supplied.
  • Page 19 Installation Guide ECL Comfort 310, application A367 Mounting on a DIN rail (35 mm) Mount the base part on a DIN rail. Establish the electrical connections and position the controller in the base part. Secure the controller with the locking pin.
  • Page 20 Installation Guide ECL Comfort 310, application A367 2.3.2 Mounting the Remote Control Units ECA 30/31 Select one of the following methods: • Mounting on a wall, ECA 30 / 31 • Mounting in a panel, ECA 30 Screws and rawlplugs are not supplied.

  • Page 21: Placing The Temperature Sensors

    Flow temperature sensor (ESMU, ESM-11 or ESMC) Place the sensor max. 15 cm from the mixing point. In systems with heat exchanger, Danfoss recommends that the ESMU-type to be inserted into the exchanger flow outlet. Make sure that the surface of the pipe is clean and even where the sensor is mounted.
  • Page 22 Installation Guide ECL Comfort 310, application A367 Pt 1000 temperature sensor (IEC 751B, 1000 Ω / 0 °C) Relationship between temperature and ohmic value: Ω °C Ω 1600 1500 1400 1000 1300 1039 1078 1117 1200 1155 1194 1100 1232...

  • Page 23: Electrical Connections

    Installation Guide ECL Comfort 310, application A367 2.5 Electrical connections 2.5.1 Electrical connections 230 V a.c. in general The common ground terminal is used for connection of relevant components (pumps, motorized control valves). Danfoss District Energy VI.LG.R1.02 DEN-SMT/DK...
  • Page 24 Installation Guide ECL Comfort 310, application A367 2.5.2 Electrical connections, 230 V a.c., power supply, pumps, motorized control valves etc. Application A367.1 example a: Without P4 Application A367.1 example d: Without P4 Application A367.2 example a: With P4 Application A367.2 example c:...
  • Page 25 Installation Guide ECL Comfort 310, application A367 Application A367.1 example b: Without P4 Application A367.1 example c: Without P4 Application A367.1 example e: Without P4 Application A367.2 example b: With P4 Description Terminal Max. load- Phase for circulation pump and alarm output Alarm 4 (2) A / 230 V a.c.*...
  • Page 26 Installation Guide ECL Comfort 310, application A367 Application A367.1 example b: Without P4 Application A367.2 example b: With P4 Terminal Description Max. load- Phase for circulation pump and alarm output Alarm 4 (2) A / 230 V a.c.* Circulation pump, heating, ON / OFF, circuit 2 4 (2) A / 230 V a.c.*...
  • Page 27 Installation Guide ECL Comfort 310, application A367 Application A367.1 example c: Without P4 Application A367.1 example e: Without P4 Description Terminal Max. load- Phase for circulation pump and alarm output 4 (2) A / 230 V a.c.* Alarm Circulation pump, heating, ON / OFF, circuit 2 4 (2) A / 230 V a.c.*...
  • Page 28 Installation Guide ECL Comfort 310, application A367 2.5.3 Electrical connections, safety thermostats, 230 V a.c. or 24 V a.c. With safety thermostat, 1–step closing: ECL 310 ECL 310 When ST is activated by a high temperature, the safety circuit in the...
  • Page 29 Installation Guide ECL Comfort 310, application A367 With safety thermostat, 2–step closing: ECL 310 ECL 310 When ST1 is activated by a high temperature (the TR temperature), the motorized control valve is closed gradually. At a higher temperature (the ST temperature), the safety circuit in the motorized control valve closes the valve immediately.
  • Page 30 Installation Guide ECL Comfort 310, application A367 2.5.4 Electrical connections, 24 V a.c., power supply, pumps, motorized valves etc. Application A367.1 example a: Without P4 Application A367.1 example d: Without P4 Application A367.2 example a: With P4 Application A367.2 example c:...
  • Page 31 Installation Guide ECL Comfort 310, application A367 Application A367.1 example b: Without P4 Application A367.1 example c: Without P4 Application A367.1 example e: Without P4 Application A367.2 example b: With P4 Terminal Description Max. load- Phase for circulation pump and alarm output Alarm 4 (2) A / 24 V a.c.*...
  • Page 32 Installation Guide ECL Comfort 310, application A367 Application A367.1 example b: Without P4 Application A367.2 example b: With P4 Terminal Description Max. load- Phase for circulation pump and alarm output Alarm 4 (2) A / 24 V a.c.* Circulation pump, heating, ON / OFF, circuit 2 4 (2) A / 24 V a.c.*...
  • Page 33 Installation Guide ECL Comfort 310, application A367 Application A367.1 example c: Without P4 Application A367.1 example e: Without P4 Terminal Description Max. load- Phase for circulation pump and alarm output Alarm 4 (2) A / 24 V a.c.* Circulation pump, heating, ON / OFF, circuit 2 4 (2) A / 24 V a.c.*...
  • Page 34 Installation Guide ECL Comfort 310, application A367 Wire cross section: 0.5 - 1.5 mm² Incorrect connection can damage the electronic outputs. Max. 2 x 1.5 mm² wires can be inserted into each screw terminal. Do not connect 230 V a.c. powered components to a 24 V a.c. power supplied controller directly.
  • Page 35 Installation Guide ECL Comfort 310, application A367 2.5.5 Electrical connections, Pt 1000 temperature sensors and signals A367: Type Terminal Sensor / description (recomm.) 29 and 30 S1 ESMT Outdoor temperature sensor* 28 and 30 S2 Return temperature sensor, ESM-11 / ESMB /...
  • Page 36 Installation Guide ECL Comfort 310, application A367 Connection of voltage signal (0–10 V) for external control of ECL 310 desired flow temperature in heating circuit 1 Wire cross section for sensor connections: Min. 0.4 mm². Total cable length: Max. 200 m (all sensors incl. internal ECL 485 communication bus) Cable lengths of more than 200 m may cause noise sensibility (EMC).
  • Page 37 ‘Application req. newer ECA’: The software of your ECA does not comply with the software of your ECL Comfort controller. Please contact your Danfoss sales office. Some applications do not contain functions related to actual room temperature. The connected ECA 30 / 31 will only function as remote control.
  • Page 38 Installation Guide ECL Comfort 310, application A367 2.5.7 Electrical connections, master / slave systems The controller can be used as master or slave in master / slave systems via the internal ECL 485 communication bus (2 x twisted pair cable).
  • Page 39 Installation Guide ECL Comfort 310, application A367 2.5.8 Electrical connections, communication Electrical connections, Modbus ECL 210 / 310 Electrical connections, M-bus ECL 310 Danfoss District Energy VI.LG.R1.02 DEN-SMT/DK...

  • Page 40: Inserting The Ecl Application Key

    Installation Guide ECL Comfort 310, application A367 2.6 Inserting the ECL Application Key 2.6.1 Inserting the ECL Application Key The ECL Application Key contains • the application and its subtypes, • currently available languages, • factory settings: e.g. schedules, desired temperatures, limitation values etc.
  • Page 41 Installation Guide ECL Comfort 310, application A367 Application Key: Situation 1 The controller is new from the factory, the ECL Application Key is not inserted. An animation for the ECL Application Key insertion is displayed. Insert the Application Key .
  • Page 42 Installation Guide ECL Comfort 310, application A367 Application Key: Situation 2 The controller already runs an application. The ECL Application Key is inserted, but the application needs to be changed. To change to another application on the ECL Application Key, the current application in the controller must be erased (deleted).
  • Page 43 Installation Guide ECL Comfort 310, application A367 Application Key: Situation 3 A copy of the controllers settings is needed for configuring another controller. This function is used • for saving (backup) of special user and system settings • when another ECL Comfort controller of the same type (210 or 310) must be configured with the same application but user / system settings differ from the factory settings.
  • Page 44 Installation Guide ECL Comfort 310, application A367 2.6.2 ECL Application Key, copying data General principles When the controller is connected and operating, you can check and adjust all or some of the basic settings. The new settings can be stored on the Key.

  • Page 45: Check List

    Installation Guide ECL Comfort 310, application A367 2.7 Check list Is the ECL Comfort controller ready for use? Make sure that the correct power supply is connected to terminals 9 (Live) and 10 (Neutral). Check that the required controlled components (actuator, pump etc.) are connected to the correct terminals.

  • Page 46: Navigation, Ecl Application Key A367

    Installation Guide ECL Comfort 310, application A367 2.8 Navigation, ECL Application Key A367 Navigation, application A367.1 and A367.2 (* A367.2 only) Home Heating, circuit 1 Heating, circuit 2 DHW, circuit 3 ID no. Function ID no. Function ID no. Function...
  • Page 47 Installation Guide ECL Comfort 310, application A367 Navigation, application A367.1 and 367.2 continued (* A367.1 only, ** A367.2 only) Home Heating, circuit 1 Heating, circuit 2 DHW, circuit 3 ID no. Function ID no. Function ID no. Function MENU 11010...
  • Page 48 Installation Guide ECL Comfort 310, application A367 Navigation, application A367.1 and A367.2 (* A367.2 only), Common controller settings Home Common controller settings MENU ID no. Function Time & Date Selectable Holiday Selectable Input overviews Circuit 1 Circuit 2 Circuit 3...

  • Page 49: Daily Use

    Installation Guide ECL Comfort 310, application A367 3.0 Daily use 3.1 How to navigate You navigate in the controller by turning the dial left or right to the desired position ( The dial has a built-in accellerator. The faster you turn the dial, the faster it reaches the limits of any wide setting range.

  • Page 50: Understanding The Controller Display

    Installation Guide ECL Comfort 310, application A367 3.2 Understanding the controller display Choosing a favorite display Your favorite display is the display you have chosen as the default display. The favorite display will give you a quick overview of the temperatures or units that you want to monitor in general.
  • Page 51 Installation Guide ECL Comfort 310, application A367 DHW circuit Overview display 1: Overview display 2: Overview display 1 informs about: actual DHW temperature, controller mode, desired DHW temperature as well as the comfort schedule of the current day. Overview display 2 informs about:...
  • Page 52 Installation Guide ECL Comfort 310, application A367 Overview of setting range and settings for desired room temperature: Setting range Factory setting Mode Comfort 5... 40 °C 20 °C Saving 5... 40 °C 16°C Frost protection* 5 ... 40 °C 10 °C...
  • Page 53 Installation Guide ECL Comfort 310, application A367 Overview of setting range and settings for DHW modes: Setting range Factory setting Mode Comfort 10 ... 150 °C 50 °C Saving 10 ... 150 °C 10 °C Frost protection* 5 ... 40 °C 10 °C...

  • Page 54: What Do The Symbols Mean

    Installation Guide ECL Comfort 310, application A367 3.3 What do the symbols mean? Symbol Description Symbol Description Sensor not connected or not used Outdoor temp. Sensor connection short-circuited Temperature Room temp. Fixed comfort day (holiday) DHW temp. Active influence Position indicator...
  • Page 55 Installation Guide ECL Comfort 310, application A367 3.4 Monitoring temperatures and system components Heating circuit The overview display in the heating circuit ensures a quick overview of the actual and (desired) temperatures as well as the actual state of the system components.

  • Page 56: Influence Overview

    Installation Guide ECL Comfort 310, application A367 3.5 Influence overview The menu gives an overview of the influences on the desired flow temperature. It differs from application to application which parameters are listed. It can be helpful in a service situation to explain unexpected conditions or temperatures among others.

  • Page 57: Manual Control

    Installation Guide ECL Comfort 310, application A367 3.6 Manual control It is possible to manually control the installed components. Manual control can only be selected in favorite displays in which the symbols for the controlled components (valve, pump etc.) are visible.

  • Page 58: Schedule

    Installation Guide ECL Comfort 310, application A367 3.7 Schedule 3.7.1 Set your schedule The schedule consists of a 7-day week: M = Monday = Tuesday W = Wednesday = Thursday = Friday = Saturday = Sunday The schedule will day-by-day show you the start and stop times of your comfort periods (heating / DHW circuits).

  • Page 59: Settings Overview

    11178 90 °C Temp. min. (flow temp. limit, min.) 11177 10 °C Ext. desired T — (ECL Comfort 310) Infl. - max. (room temp. limitation, max.) — A367.1 11182 –4.0 Infl. - max. (room temp. limitation, max.) — A367.2 11182 Infl.
  • Page 60 Installation Guide ECL Comfort 310, application A367 Setting Page Factory settings in circuit(s) 11050 P demand Send desired T 11500 P exercise (pump exercise) 11022 M exercise (valve exercise) 11023 DHW priority (closed valve / normal operation) 11052 P frost T 11077 2 °C...
  • Page 61 Installation Guide ECL Comfort 310, application A367 Setting Page Factory settings in circuit(s) Total stop 12021 Cut-out (limit for heating cut-out) 12179 20 °C Motor pr. (motor protection) 12174 Xp (proportional band) 12184 80 K Tn (integration time constant) 12185...
  • Page 62 Installation Guide ECL Comfort 310, application A367 Setting Page Factory settings in circuit(s) Backlight (display brightness) 60058 Contrast (display contrast) 60059 Modbus addr. ECL 485 addr. (master / slave address) 2048 Service Pin 2150 Ext. reset 2151 Language 2050 English...

  • Page 63: Settings, Circuit 1

    Installation Guide ECL Comfort 310, application A367 5.0 Settings, circuit 1 5.1 Flow temperature The ECL Comfort controller determines and controls the flow Desired flow temperature temperature related to the outdoor temperature. This relationship is called the heat curve. The heat curve is set by means of 6 coordinate points. The desired flow temperature is set at 6 pre-defined outdoor temperature values.

  • Page 64: Temp. Max. (Flow Temp. Limit, Max.)

    The measured voltage on input S10 must be converted to a temperature value by the controller. When the voltage gets higher, the desired flow temperature increases. 100. 0 The following settings set up the scaling. Ext. desired T — (ECL Comfort 310) Circuit Setting range Factory setting 10.0...

  • Page 65: Room Limit

    Installation Guide ECL Comfort 310, application A367 5.2 Room limit This section is only relevant if you have installed a room Influence temperature sensor or a Remote Control Unit. The controller adjusts the desired flow temperature to compensate for the difference between the desired and the actual room ‘Infl.

  • Page 66: Infl. - Max. (Room Temp. Limitation, Max.) - A367.2

    Installation Guide ECL Comfort 310, application A367 11182 Infl. - max. (room temp. limitation, max.) — A367.2 Circuit Setting range Factory setting -9.9 ... 0.0 Determines how much the desired flow temperature will be influenced (decreased) if the actual room temperature is higher than the desired room temperature (P control).

  • Page 67: Return Limit

    Installation Guide ECL Comfort 310, application A367 5.3 Return limit The return temperature limitation is based on the outdoor Return temperature limitation temperature. Typically in district heating systems a higher return temperature is accepted at a decrease in outdoor temperature. The °...
  • Page 68 Installation Guide ECL Comfort 310, application A367 11034 High limit Y2 (return temp. limitation, high limit, Y-axis) Circuit Setting range Factory setting 10 ... 150 °C 60 °C Set the return temperature limitation referring to the outdoor temperature set in 'Low T out X2'.
  • Page 69 Installation Guide ECL Comfort 310, application A367 11085 Priority (priority for return temp. limitation) Circuit Setting range Factory setting OFF / ON Choose whether the return temperature limitation should overrule the set min. flow temperature ‘Temp. min.’ . OFF: The min. flow temperature limit is not overruled.

  • Page 70: Flow / Power Limit

    Installation Guide ECL Comfort 310, application A367 5.4 Flow / power limit A flow or energy meter can be connected (M-bus signal) to the ECL Flow / power limitation controller in order to limit the flow or consumed power. The flow / power limitation can be based on the outdoor temperature.
  • Page 71 Installation Guide ECL Comfort 310, application A367 11117 Low limit Y1 (flow / power limitation, low limit, Y-axis) Circuit Setting range Factory setting The limitation function can overrule the set 'Temp. min' of the desired 0.0 ... 999.9 l/h 999.9 l/h flow temperature.
  • Page 72 Installation Guide ECL Comfort 310, application A367 Input type 11109 Factory setting Circuit Setting range OFF / EM1 ... EM5 Choice of M-bus signal from energy meter number 1 ... 5. OFF: No M-bus signal acquired. EM1 ... EM5: Energy meter number.

  • Page 73: Optimization

    Installation Guide ECL Comfort 310, application A367 5.5 Optimization Reduction 11011 Auto saving (saving temp. dependent on outdoor temp.) Circuit Setting range Factory setting OFF / -29 ... 10 °C -15 °C 100% Below the set value for the outdoor temperature, the saving temperature setting has no influence.
  • Page 74 Installation Guide ECL Comfort 310, application A367 Temp. °C 11013 Ramp (reference ramping) Circuit Setting range Factory setting OFF / 1 ... 99 m The time (minutes) in which the desired flow temperature increases gradually to avoid load peaks in the heat supply.
  • Page 75 Installation Guide ECL Comfort 310, application A367 Example: Optimization of Comfort from 07:00 - 22:00 11026 Pre-stop (optimized stop time) Circuit Setting range Factory setting 07:00 22:00 OFF / ON Schedule Disable the optimized stop time. Pre-stop OFF OFF: The optimized stop time is disabled.
  • Page 76 Installation Guide ECL Comfort 310, application A367 11179 Cut-out (limit for heating cut-out) Temp. Actual outdoor temp. Accumulated outdoor temp. Circuit Setting range Factory setting OFF / 1 ... 50 °C 20 °C 18 °C The heating can be switched OFF when the outdoor temperature is higher than the set value.

  • Page 77: Control Parameters

    Installation Guide ECL Comfort 310, application A367 5.6 Control parameters 11174 Motor pr. (motor protection) Circuit Setting range Factory setting Recommended for heating systems with variable load. OFF / 10 ... 59 m Prevents the controller from unstable temperature control (and resulting actuator oscillations).
  • Page 78 Installation Guide ECL Comfort 310, application A367 11187 Nz (neutral zone) Circuit Setting range Factory setting The neutral zone is symmetrical around the desired flow temperature 1 ... 9 K value, i.e. half the value is above and half the value is below this temperature.

  • Page 79: Application

    Installation Guide ECL Comfort 310, application A367 5.7 Application 11010 ECA addr. (choice of Remote Control Unit) Factory setting Circuit Setting range The Remote Control Unit has no influence on the DHW control. OFF / A / B Decides the communication with the Remote Control Unit.
  • Page 80 Installation Guide ECL Comfort 310, application A367 11500 Send desired T Circuit Setting range Factory setting In the master controller, 'Demand offset' must be set to a value in order OFF / ON to react on a desired flow temperature from a slave controller.
  • Page 81 Installation Guide ECL Comfort 310, application A367 11077 P frost T Circuit Setting range Factory setting Under normal conditions, your system is not frost protected if your OFF / -10 ... 20 °C 2 °C setting is below 0 °C or OFF.
  • Page 82 Installation Guide ECL Comfort 310, application A367 11141 Ext. input (external override) — ECL 310 Circuit Setting range Factory setting OFF / S1 ... S10 Choose the input for 'Ext. input' (external override). By means of a switch the controller can be overridden to ‘Comfort’ or ‘Saving’ mode.

  • Page 83: Alarm

    Many applications in the ECL Comfort 210 and 310 series have an alarm function. The alarm function typically activates relay 4 (ECL Comfort 210) or relay 6 (ECL Comfort 310). The alarm relay can activate a lamp, a horn, an input to an alarm transmitting device etc.

  • Page 84: Danfoss District Energy

    Installation Guide ECL Comfort 310, application A367 11149 Delay Temp. Circuit Setting range Factory setting Flow temp. 1 ... 99 m 10 m If an alarm condition from either 'Upper difference' or 'Lower difference' is present for a longer time than the set delay (in min.), the alarm function is activated.

  • Page 85: Settings, Circuit 2

    Installation Guide ECL Comfort 310, application A367 6.0 Settings, circuit 2 6.1 Flow temperature The ECL Comfort controller determines and controls the flow Desired flow temperature temperature related to the outdoor temperature. This relationship is called the heat curve. The heat curve is set by means of 6 coordinate points. The desired flow temperature is set at 6 pre-defined outdoor temperature values.
  • Page 86 Installation Guide ECL Comfort 310, application A367 12178 Temp. max. (flow temp. limit, max.) Circuit Setting range Factory setting The setting for ‘Temp. max. ’ has higher priority than ‘Temp. min. ’ . 10 ... 150 °C 90 °C Choose the allowed max. flow temperature for your system.

  • Page 87: Room Limit

    Installation Guide ECL Comfort 310, application A367 6.2 Room limit This section is only relevant if you have installed a room Influence temperature sensor or a Remote Control Unit. The controller adjusts the desired flow temperature to compensate for the difference between the desired and the actual room ‘Infl.
  • Page 88 Installation Guide ECL Comfort 310, application A367 12182 Infl. - max. (room temp. limitation, max.) — A367.1 Circuit Setting range Factory setting -9.9 ... 0.0 -4.0 Determines how much the desired flow temperature will be influenced (decreased) if the actual room temperature is higher than the desired room temperature (P control).

  • Page 89: Return Limit

    Installation Guide ECL Comfort 310, application A367 6.3 Return limit The return temperature limitation is based on the outdoor Return temperature limitation temperature. Typically in district heating systems a higher return temperature is accepted at a decrease in outdoor temperature. The °...
  • Page 90 Installation Guide ECL Comfort 310, application A367 12034 High limit Y2 (return temp. limitation, high limit, Y-axis) Circuit Setting range Factory setting 10 ... 150 °C 60 °C Set the return temperature limitation referring to the outdoor temperature set in 'Low T out X2'.
  • Page 91 Installation Guide ECL Comfort 310, application A367 12085 Priority (priority for return temp. limitation) Circuit Setting range Factory setting OFF / ON Choose whether the return temperature limitation should overrule the set min. flow temperature ‘Temp. min.’ . OFF: The min. flow temperature limit is not overruled.

  • Page 92: Flow / Power Limit

    Installation Guide ECL Comfort 310, application A367 6.4 Flow / power limit A flow or energy meter can be connected (M-bus signal) to the ECL Flow / power limitation controller in order to limit the flow or consumed power. The flow / power limitation can be based on the outdoor temperature.
  • Page 93 Installation Guide ECL Comfort 310, application A367 12117 Low limit Y1 (flow / power limitation, low limit, Y-axis) Circuit Setting range Factory setting The limitation function can overrule the set 'Temp. min' of the desired 0.0 ... 999.9 l/h 999.9 l/h flow temperature.
  • Page 94 Installation Guide ECL Comfort 310, application A367 Input type 12109 Factory setting Circuit Setting range OFF / EM1 ... EM5 Choice of M-bus signal from energy meter number 1 ... 5. OFF: No M-bus signal acquired. EM1 ... EM5: Energy meter number.

  • Page 95: Optimization

    Installation Guide ECL Comfort 310, application A367 6.5 Optimization Reduction 12011 Auto saving (saving temp. dependent on outdoor temp.) Circuit Setting range Factory setting OFF / -29 ... 10 °C -15 °C 100% Below the set value for the outdoor temperature, the saving temperature setting has no influence.
  • Page 96 Installation Guide ECL Comfort 310, application A367 Temp. °C 12013 Ramp (reference ramping) Circuit Setting range Factory setting OFF / 1 ... 99 m The time (minutes) in which the desired flow temperature increases gradually to avoid load peaks in the heat supply.
  • Page 97 Installation Guide ECL Comfort 310, application A367 Example: Optimization of Comfort from 07:00 - 22:00 12026 Pre-stop (optimized stop time) Circuit Setting range Factory setting 07:00 22:00 OFF / ON Schedule Disable the optimized stop time. Pre-stop OFF OFF: The optimized stop time is disabled.
  • Page 98 Installation Guide ECL Comfort 310, application A367 12179 Cut-out (limit for heating cut-out) Temp. Actual outdoor temp. Accumulated outdoor temp. Circuit Setting range Factory setting OFF / 1 ... 50 °C 20 °C 18 °C The heating can be switched OFF when the outdoor temperature is higher than the set value.

  • Page 99: Control Parameters

    Installation Guide ECL Comfort 310, application A367 6.6 Control parameters 12174 Motor pr. (motor protection) Circuit Setting range Factory setting Recommended for heating systems with variable load. OFF / 10 ... 59 m Prevents the controller from unstable temperature control (and resulting actuator oscillations).
  • Page 100 Installation Guide ECL Comfort 310, application A367 12187 Nz (neutral zone) Circuit Setting range Factory setting The neutral zone is symmetrical around the desired flow temperature 1 ... 9 K value, i.e. half the value is above and half the value is below this temperature.
  • Page 101 Installation Guide ECL Comfort 310, application A367 Setting example Value x 20 ms Min. act. time (min. activation time gear motor) 12189 40 ms Circuit Setting range Factory setting 200 ms 2 ... 50 1000 ms The min. pulse period of 20 ms (milliseconds ) for activation of the gear motor.

  • Page 102: Application

    Installation Guide ECL Comfort 310, application A367 6.7 Application 12010 ECA addr. (choice of Remote Control Unit) Factory setting Circuit Setting range The Remote Control Unit has no influence on the DHW control. OFF / A / B Decides the communication with the Remote Control Unit.
  • Page 103 Installation Guide ECL Comfort 310, application A367 12052 DHW priority (closed valve / normal operation) Circuit Setting range Factory setting This setting must be considered if this controller is a slave. OFF / ON The heating circuit can be closed when the controller acts as slave and when DHW heating / charging is active in the master.
  • Page 104 Installation Guide ECL Comfort 310, application A367 12141 Ext. input (external override) — ECL 310 Circuit Setting range Factory setting OFF / S1 ... S10 Choose the input for 'Ext. input' (external override). By means of a switch the controller can be overridden to ‘Comfort’ or ‘Saving’ mode.

  • Page 105: Alarm

    Many applications in the ECL Comfort 210 and 310 series have an alarm function. The alarm function typically activates relay 4 (ECL Comfort 210) or relay 6 (ECL Comfort 310). The alarm relay can activate a lamp, a horn, an input to an alarm transmitting device etc.
  • Page 106 Installation Guide ECL Comfort 310, application A367 12149 Delay Temp. Circuit Setting range Factory setting Flow temp. 1 ... 99 m 10 m If an alarm condition from either 'Upper difference' or 'Lower difference' is present for a longer time than the set delay (in min.), the alarm function is activated.

  • Page 107: Settings, Circuit 3

    Installation Guide ECL Comfort 310, application A367 7.0 Settings, circuit 3 7.1 Tank temperature 13193 Charge difference Temp. Circuit Setting range Factory setting Charge difference 1 ... 50 K 15 K Set the number of degrees above the desired DHW temperature that will Stop difference result in the DHW heating (charging) temperature.
  • Page 108 Installation Guide ECL Comfort 310, application A367 One DHW tank temperature sensor (example with positive ‘Stop 13194 Stop difference difference’ value): Circuit Setting range Factory setting Temp. –50 ... 50 K One DHW tank temperature sensor: Stop difference Set the number of degrees above the desired DHW temperature that will stop the DHW heating (charging).
  • Page 109 Installation Guide ECL Comfort 310, application A367 13152 Max. charge T Charging principle Circuit Setting range Factory setting 10 ... 110 °C 80 °C Set the max. temperature at S3 for heating the DHW. 10 ... 110: Set the temperature.

  • Page 110: Return Limit

    Installation Guide ECL Comfort 310, application A367 7.2 Return limit The return temperature limitation is based on a constant temperature value. The controller automatically changes the desired flow temperature to obtain an acceptable return temperature when the return temperature falls below or gets higher than the set limit.

  • Page 111: Flow / Power Limit

    Installation Guide ECL Comfort 310, application A367 7.3 Flow / power limit Please see the explanation for flow and power limit in circuit 1. Flow / power At DHW heating the flow / power limit can be set to a fixed value.

  • Page 112: Application

    Installation Guide ECL Comfort 310, application A367 7.4 Application 13051 Ch.-o. valve / P (changeover valve / pump) Circuit Setting range Factory setting When the changeover valve is chosen, pump P1 is ON at heating as OFF / ON well as at DHW heating demand.
  • Page 113 Installation Guide ECL Comfort 310, application A367 13045 DHW deact. time Circuit Setting range Factory setting 1 ... 250 m 60 m Set the time (minutes) that must elapse after a DHW heating period before a new DHW heating period can be started.
  • Page 114 Installation Guide ECL Comfort 310, application A367 13093 Frost pr. T (frost protection temperature) Circuit Setting range Factory setting 5 ... 40 °C 10 °C Set the desired flow temperature to protect the DHW system against frost. 5 ... 40: Desired frost protection temperature.
  • Page 115 Installation Guide ECL Comfort 310, application A367 13142 Ext. mode (external override mode) Circuit Setting range Factory setting See also ‘Ext. input’ . COMFORT / SAVING COMFORT Choose external override mode. The mode override can be activated for saving or comfort mode.

  • Page 116: Anti-Bacteria

    Installation Guide ECL Comfort 310, application A367 7.5 Anti-bacteria On selected days during the week the DHW temperature can Desired temp. be increased in order to neutralize bacteria in the DHW system. The desired DHW temperature 'Desired T' (typically 80 °C) will be present for the selected day(s) and duration.
  • Page 117 Installation Guide ECL Comfort 310, application A367 Start time Circuit Setting range Factory setting 00:00 ... 23:30 00:00 Set the start time for the anti-bacteria function. Duration Circuit Setting range Factory setting 10 ... 600 m 120 m Set the duration (minutes) for the anti-bacteria function.

  • Page 118: Common Controller Settings

    Installation Guide ECL Comfort 310, application A367 8.0 Common controller settings 8.1 Introduction to ‘Common controller settings’ Some general settings which apply to the entire controller are Circuit selector located in a specific part of the controller. To enter ‘Common controller settings’:...

  • Page 119: Time & Date

    Installation Guide ECL Comfort 310, application A367 8.2 Time & Date It is only necessary to set the correct date and time in connection with the first use of the ECL Comfort controller or after a power break of more than 72 hours.

  • Page 120: Holiday

    Installation Guide ECL Comfort 310, application A367 8.3 Holiday There is a holiday program for each circuit and a holiday program for the common controller. Each holiday program contains one or more schedules. Each The holiday program in the ‘Common controller settings’ is valid for schedule can be set to a start date and an end date.
  • Page 121 Installation Guide ECL Comfort 310, application A367 The ECA 30 / 31 cannot override the holiday schedule of the controller temporarily. However, it is possible to make use of the following options from Energy-saving trick: the ECA 30 / 31 when the controller is in scheduled mode: Use 'Going out' (the extended saving period) for airing purposes (e.g.

  • Page 122: Input Overview

    Installation Guide ECL Comfort 310, application A367 8.4 Input overview The input overview is located in the common controller settings. This overview will always show you the actual temperatures in the system (read-only). Danfoss District Energy DEN-SMT/DK VI.LG.R1.02...

  • Page 123: Log

    Installation Guide ECL Comfort 310, application A367 8.5 Log The log function (temperature history) allows you to monitor the logs of today, yesterday, the past 2 days as well as the past 4 days for the connected sensors. There is a log display for the relevant sensor, showing the measured temperature.

  • Page 124: Output Override

    Installation Guide ECL Comfort 310, application A367 8.6 Output override The output override is used to disable one or more of the controlled components. This could among others be useful in a service situation. Controlled components Circuit selector Action: Purpose:...

  • Page 125: Key Functions

    Installation Guide ECL Comfort 310, application A367 8.7 Key functions New application Erase application: Removes the existing application. As soon as the ECL key is inserted, another application can be chosen. Application Gives an overview over the application and its subtypes of the ECL key in question.

  • Page 126: System

    Installation Guide ECL Comfort 310, application A367 8.8 System 8.8.1 ECL version In ‘ECL version’ you will always be able to find an overview of the Example, ECL version data related to your electronic controller. Please have this information available if you need to contact your Danfoss sales organization concerning the controller.
  • Page 127 Installation Guide ECL Comfort 310, application A367 2048 ECL 485 addr. (master / slave address) Circuit Setting range Factory setting The total cable length of max. 200 m (all devices incl. the internal ECL 0 ... 15 485 communication bus) should not be exceeded.

  • Page 128: Miscellaneous

    Installation Guide ECL Comfort 310, application A367 9.0 Miscellaneous 9.1 Several controllers in the same system When ECL Comfort controllers are interconnected by means of the ECL 485 communication bus (cable type: 2 x twisted pair), the master controller will broadcast the following signals to the slave controllers: •...
  • Page 129 Installation Guide ECL Comfort 310, application A367 SLAVE controller: How to make use of the outdoor temperature signal and send information about the desired flow temperature back to the MASTER controller In the MASTER controller, the address in ‘ECL 485 addr. (master / slave address)’...

  • Page 130: Frequently Asked Questions

    'Common controller settings' >'Key functions' > 'Application'. The system type (e.g. TYPE A266.1) and the system diagram is displayed. Order a replacement from your Danfoss representative (e.g. ECL Application Key A266). Insert the new ECL Application Key and copy your personal settings from the controller to the new ECL Application Key, if required.
  • Page 131 Installation Guide ECL Comfort 310, application A367 How to react on alarms? An alarm indicates that the system is not operating satisfactorily. Please contact your installer. What does P and PI control mean? P control: Proportional control. By using a P control, the controller will change the flow temperature proportional to the difference between a desired and an actual temperature, e.g.

  • Page 132: Definitions

    Installation Guide ECL Comfort 310, application A367 9.3 Definitions The definitions apply to the Comfort 210 as well as ECL Comfort 310 series. Consequently, you might come across expressions that are not mentioned in your guide. Air duct temperature Temperature measured in the air duct where the temperature is to be controlled.
  • Page 133 Installation Guide ECL Comfort 310, application A367 Flow temperature reference Temperature calculated by the controller on basis of the outdoor temperature and influences from the room and / or return temperatures. This temperature is used as a reference for the control.
  • Page 134 Installation Guide ECL Comfort 310, application A367 Saving temperature Temperature maintained in the heating / DHW circuit during saving temperature periods. Pump control One circulation pump is working and the other is the spare circulation pump. After a set time, the roles are exchanged.
  • Page 135 Installation Guide ECL Comfort 310, application A367 Installer: Date: Danfoss District Energy VI.LG.R1.02 DEN-SMT/DK...
  • Page 136 Installation Guide ECL Comfort 310, application A367 *087H9051* *VILGX102* Produced by Danfoss A/S © 02/2011...

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